为了使从抽取的样本中得出的结论能够代表总体,内部审计师应()。
A. 只有当样本选取遵循以下规则:总体的每一项目有同等的或已知的被抽取概率,才能在统计上量化抽样结果
B. 采用判断抽样(judgmental sampling),关注高风险项目
C. 除非在被抽取的项目可以通过机器可读的表格得到时,不采用随机抽样
D. 经常使用可放回的随机抽样
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人的平常思想活动大部分是无需骚乱的,是能力的浪费。呼吸法可以打破原有的骚乱,消除计提不安定的因素,停止性循环的的运动。
A. 正确
B. 错误
Your multitenant container database has three pluggable databases (PDBs): PDB1, PDB2, and PDB3.Which two RMAN commands may be; used to back up only the PDB1 pluggable database?()
A. BACKUP PLUGGABLE DATABASE PDB1 while connected to the root container
BACKUP PLUGGABLE DATABASE PDB1 while connected to the PDB1 container
C. BACKUP DATABASE while connected to the PDB1 container
D. BACKUP DATABASE while connected to the boot container
E. BACKUP PLUGGABLE database PDB1 while connected to PDB2